22.5 - Type Inference and Target Typing
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Practice Questions
Test your understanding with targeted questions
What is type inference in Java?
💡 Hint: Think about how Java provides types automatically.
Define a lambda expression that returns the square of an integer.
💡 Hint: Remember the syntax format for lambda expressions.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What feature allows Java to determine the type of lambda parameters automatically?
💡 Hint: Think about how the compiler helps manage types.
True or False: Target typing is irrelevant when using lambda expressions.
💡 Hint: Recall what role functional interfaces play.
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Challenge Problems
Push your limits with advanced challenges
Write a lambda expression to sort a list of integers in descending order while demonstrating type inference and target typing.
💡 Hint: Think about what kind of functional interface you're working with.
Create a simple functional interface and implement it using a lambda expression, ensuring you incorporate type inference.
💡 Hint: Focus on defining the method signature first.
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